3U TELECOM GmbH (Germany) currently hosts 16 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 4 unique IPv4 addresses on this provider's networks, and the domains currently sit in 2 IPv4 CIDR blocks covering roughly 512 addresses of IPv4 space.

We have yet to observe any IPv6 (AAAA) hosting at this provider.

On the security side, 0 of the domains hosted here (0.0%) validate as DNSSEC-secure — below the zone-wide average of 62.8%. See how this provider's networks compare on the ASN statistics page, or drill into the CIDR list below the results.